OpenTechnical

OT-2026-000030431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000030431) never changes.

Identity and time

Publication numberOT-2026-000030431 · never reused
Internal UUID01a0ae73-e503-727a-bae5-0aa3fd26ae93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030431
StatusPUBLIC

Content hashes

Canonical textb4f024acc542cc074e1b742d62e37a7c61df2297ad1284e6e9c2c4b5be6bd62f
Markdown62f8ae1bc966b88a6f19ab3d69ae92e53fd36008c6380fe16ae86bc9caca4041
PDF
Publication page5e767aede574076315871428dce55340d1ee737e1521fd93bb5ce3da0d311a3c
Manifest61254258b82591ad7193249503cb26443d1a9956a536a1c9505a0b89cccd5e71

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNdimuS+z2PqtwJ13huEv555L8idqKt1iviGrxEzTDYTifSNpklSv1niNAB9aUeT48lkxUVaLNrLOqw/NG8zsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:10.109751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030431
observed 5e767aede574076315871428dce55340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.092330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030431/manifest.json
observed 61254258b82591ad7193249503cb2644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.073345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030431/publication.md
observed 62f8ae1bc966b88a6f19ab3d69ae92e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.054990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030431/publication.txt
observed b4f024acc542cc074e1b742d62e37a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.